USA Measurements US-BLW Manuel utilisateur

TABLE&OF&CONTENTS&

US-BLW

Wireless Handheld

Display

Operation Manual

TABLE&OF&CONTENTS&

Note: Please read the operation direction carefully before using weighing

instrument. Thank you for your understanding.

TABLE&OF&CONTENTS&

Chapter I Instrument Introduction 1

1. Overview 1

2. Technical Performances 1

Chapter II Definition of Interface 2

1. Wireless Transmitter Box 2

2. Wireless Instruments 2

Chapter III Calibration Debugs 3

1. Parameter Set 3

2. Weight Calibration 5

3. Compensation Calibration 6

4. Standardized Rate Modification & Calibration Debug Passwords 7

Chapter IV Operation Introduction 9

1. Introduction of Indicator Lamp 9

2. Boot to Zero & Reset Button 9

3. Net Weight 9

4. Weight Accumulation 9

5. Cumulative Weight Display 10

6. Cumulative Weight Clear 10

7. Information Prompts 10

8. Matters Needing Attention 10

CHAPTER&I&INSTRUMENT&INTRODUCTION&

1. Overview

The wireless weighing instrument consists of handheld wireless instrumentation and

wireless transmitter box. It has benefits of weighing with high precision, long-term stability

and high reliability of wireless communication. The operation is very easy and all electronic

components accord with industrial-grade to ensure that work in harsh environments.

2. Technical Performances

1) Wireless transmitter box

a. Input Signal Range -19.5~+19.5mV

b. A/D Conversion 24-bit Sigma-Delta analog-to-digital Conversion

c. Nonlinear ≤0.0015% F.S.

d. Minimum Resolution 0.5µV/d

e. Supply Voltage 5V/300mA

f. Transmission Frequency 433MHz (32 channels)/1200bps

g. Transmission Range ≥350m (No barrier)

h. Operating Temperature -40~+85℃

i. Relative Humidity ≤ 90% R.H

j. Power Supply Voltage DC7.2V

2) Wireless Instruments

a. Display Screen 6-bit 0.4-inch ultra bright LED display

b. Operating Temperature -40~+85℃

c. Relative Humidity ≤ 90% R.H

d. Power Supply Voltage Internal lithium battery 3Ah/6.4V; Outside DC7.2V

CHAPTER&II&DEFINITION&OF&INTERFACE&

1. F1 Wireless A/D transmitter box

a. Power Supply

The combination of two lines; red wire connect 6V, black line with 0V.

b. Sensor

Red line

Black line

Green line

White line

Bridge

Voltage +

Bridge

Voltage -

Signal+

Signal-

2. Wireless Instruments

The middle of power jack is positive supply DC7.2V, and the outside is Power Ground.

CHAPTER&III&CALIBRATION&DEBUGS&

Before the calibration debugging of an instrument, it is necessary to carefully check if the

connection between the various parts is correct. It the connection has no problem, the next

step is to open the case of instrument and plug the short block of circuit board SW1 in the

instrument insert 1 and 2 feet. Then, it needs to be plugged in the instrument’s power through

ON. While the instrument finish its self-&inspection program and enter into the weighing

operation, it could be allowed to implement the calibration. After the calibration, the short block

of circuit board SW1 must be plugged in the instrument insert 2 and 3 feet.

1. Parameter Set

No.&

Key-Press&

Display&

Introduction&

Calibration&

& 8& & & 8& & & 8& &

Enter&

&888888&

CAL&&1&

In&Weighing&Mode,&press& &

Calibration&

Initial Calibration Password: M1=

888888

CAL=&1&Parameter&Setting&

& 1& & & 0& &

Enter&

d&&&&**&

d&&&&10&

Weighing&Scope&Setting:&

d=&01,&02,&05,&10,&20,&50&

(e.g.)&d=&10&

& 0& &

Enter&

dC&&&&*&

dC&&&&0&

Decimal&Point&Setting:&

dC=&0,&1,&2,&3,&4&

0&-&0,&1&-&0.0,&2&-&0.00,&3&-&0.000,&4&-&

0.0000&

(e.g.)&dC=&0&

CHAPTER&III&CALIBRATION&DEBUGS&

Clear&

& 5& & & 0& &

& 0& & & 0& & & 0& &

Enter&

&******&

&&50000&

Range&Setting:&

(e.g.)&50000kg&

& 3& &

Enter&

F1.0&&*&

F1.0&&3&

Zero&Tracking&Speed&Setting:&

F1.0=&1,2,3,4(Slowest)&

(e.g.)&F1.0=&3&

& 2& &

Enter&

F1.1&&*&

F1.1&&2&

Zero&Tracking&Range&Setting:&

F1.1=&0,&1,&2,&3,&4,&5,&6&

Zero&Tracking&Range&is&F1.1*0.5d&

(e.g.)&F1.1=&2&

& 5& &

Enter&

F1.2&&*&

F1.2&&5&

Boot&Zero&Range&Setting:&

F1.2=&0,&1,&2,&3,&4,&5&

0&-&Boot&without&Zero,&1&-&2%,&2&-&

4%,&3&-&20%,&4&-&50%,&5&-&100%&

(e.g.)&F1.2=&5&

CHAPTER&III&CALIBRATION&DEBUGS&

& 5& &

Enter&

F1.3&&*&

F1.3&&5&

Press& →0←&to&set&Zero&Range：&

F1.3=&0,&1,&2,&3,&4,&5&

0&-&Press& →0←&without&Zero,&1&-&

2%,&2&-&4%,&3&-&20%,&4&-&50%,&5&-&

100%&

(e.g.)&F1.3=&5&

Back&to&Weighing&Status&

2. Weight Calibration

No.&

Key-Press&

Display&

Introduction&

& 2& &

Enter&

CAL&&1&

CAL&&2&

To&display&CAL&&1,&

CAL&=&2&Weight&Calibration&

Enter&

&******&

&&&&&&0&

Display&numerical&value&in&empty&

electronic&scale&

If&display&steadily,&Press&Enter&

Enter&

&xxxxxx&

Add&Standard&Weight&G&in&Weighing&

Platform&

If&display&steadily,&Press&Enter&

CHAPTER&III&CALIBRATION&DEBUGS&

& 1& & & 0& & & 0& &

& 0& & & 0& &

Enter&

&&&&&&0&

&&10000&

Input&Standard&Weight&G&

(e.g.)&G=&10000kg&

Back&to&Weighing&Status&

3. Compensation Calibration

No.&

Key-Press&

Display&

Introduction&

3& & &

Enter&

CAL&&1&

CAL&&3&

To&display&CAL&&1,&

CAL=&3&Compensation&Calibration&

Enter&

&xxxxxx&

Existent&errors&between&Display&

Weight&and&Actual&Weight&G.&

Press&Enter&while&steady&

presentation&

& 1& & & 0& & & 0& &

& 0& & & 0& &

Enter&

&&&&&&0&

&&10000&

Input&actual&Weight&G&

(e.g.)&G=&10000kg&

Back&to&Weighing&Status&

CHAPTER&III&CALIBRATION&DEBUGS&

4. Standardized Rate Modification & Calibration Debug Passwords

No.&

Key-Press&

Display&

Introduction&

4& &

Enter&

CAL&&1&

CAL&&4&

To&display&CAL&&1,&

CAL=&4&Modifying&Standardized&

Rate&and&Calibration&Password&M1&

Enter&

&&&&&r1&

&******&

After&1&second,&

Display&r1&(but&r1&cannot&be&

changed)&

Enter&

&&&&&r2&

&******&

After&1&second,&

r2&Press&numeric&key&to&modify&

& 8& & & 8& & & 8& &

Enter&

&&&&F1&

&xxxxxx&

&888888&

After&1&second,&

Calibration&Password&F1&

Modification:&

Input&new&Calibration&Password&

M1&

(e.g.)&Calibration&Password&M1=&

888888&

Back&to&Weighing&Status&

Warning:

1) The Standardized Rate cannot be allowed to modify randomly or the result of

weighing process may be not accurate. Also, it is better not to change

Calibration Debugging Password. If the Password has been modified, please

must to remember because this instrument has no universal password. It has to

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